Here i have two servers and one EVA 4400 storage. storage is connected with both servers thru SAN Switch. The O/S installed on server in win2K3 R2. Complete oracle software and database are installed on storage. ASM is configured here and all dictories and files are oracle managed, OCR and VOTING disk are also on starage . now I want to add a new server in that RAC, who can also access database, voting disk and OCR partition . this is 24*7 environment so I can't shutdown database. please give me solution